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Finding the Fourth Proportional to 5,532.75, 7,635.20 and 3,048.75

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Solution

The fourth proportional to 5,532.75, 7,635.20 and 3,048.75 is: 4,207.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,532.75 : 7,635.20 = 3,048.75 : x
  2. Step 2: Convert to fraction form
    5,532.75/7,635.20 = 3,048.75/x
  3. Step 3: Cross multiply
    5,532.75x = 7,635.20 × 3,048.75
  4. Step 4: Simplify right side
    5,532.75x = 23,277,800.76
  5. Step 5: Solve for x
    x = 23,277,800.76/5,532.75
  6. Step 6: Final answer
    x = 4,207.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.